Study of double parton scattering using W+2-jet events in proton-proton collisions at root s=7 TeV

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	Study of double parton scattering using W+2-jet events in proton-proton collisions at root s=7 TeV
	CMS Collaboration
刊名	JOURNAL OF HIGH ENERGY PHYSICS
	2014
期号	3
关键词	4-JET EVENTS HADRON-COLLISIONS COLLIDER LHC
通讯作者	Chatrchyan, S (reprint author), Yerevan Phys Inst, Yerevan, Armenia.
英文摘要	Double parton scattering is investigated in proton-proton collisions at = 7 TeV where the final state includes a W boson, which decays into a muon and a neutrino, and two jets. The data sample corresponds to an integrated luminosity of 5 fb(-1), collected with the CMS detector at the LHC. Observables sensitive to double parton scattering are investigated after being corrected for detector effects and selection efficiencies. The fraction of W + 2-jet events due to double parton scattering is measured to be 0.055 +/- 0.002 (stat.) +/- 0.014 (syst.). The effective cross section, sigma (eff), characterizing the effective transverse area of hard partonic interactions in collisions between protons is measured to be 20.7 +/- 0.8(stat.) +/- 6.6(syst.)mb.
学科主题	Physics
类目[WOS]	Physics, Particles & Fields
收录类别	SCI
语种	英语
WOS记录号	WOS:000332967700001
公开日期	2016-02-25
内容类型	期刊论文
源URL	[http://ir.ihep.ac.cn/handle/311005/213679]
专题	高能物理研究所_粒子天体物理中心
作者单位	中国科学院高能物理研究所
推荐引用方式 GB/T 7714	CMS Collaboration. Study of double parton scattering using W+2-jet events in proton-proton collisions at root s=7 TeV[J]. JOURNAL OF HIGH ENERGY PHYSICS,2014(3).
APA	CMS Collaboration.(2014).Study of double parton scattering using W+2-jet events in proton-proton collisions at root s=7 TeV.JOURNAL OF HIGH ENERGY PHYSICS(3).
MLA	CMS Collaboration."Study of double parton scattering using W+2-jet events in proton-proton collisions at root s=7 TeV".JOURNAL OF HIGH ENERGY PHYSICS .3(2014).